在我的html中，我有一个span元素:
<span class="field" data-fullText="This is a span element">This is a</span>
And I want to get the data-fullText attribute. I tried these two ways, but they didn't work (the both return undefined):
$('.field').hover(function () {
console.log('using prop(): ' + $(this).prop('data-fullText'));
console.log('using data(): ' + $(this).data('fullText'));
});
Then I searched and found these questions: How to get the data-id attribute? and jquery can't get data attribute value.
The both's answers are "Use .attr('data-sth') or .data('sth')".
I know that .attr() is deprecated (in jquery-1.11.0, which I use), but, however, I tried it.
And it workded!
Can someone explain why?